Add opt-out action to beta page

services/web/test/UnitTests/coffee/BetaProgram/BetaProgramHandlerTests.coffee

@@ -34,6 +34,7 @@ describe 'BetaProgramHandler', ->
 	describe "optIn", ->
 
 		beforeEach ->
+			@user.betaProgram = false
 			@call = (callback) =>
 				@handler.optIn @user_id, callback
 
@@ -63,3 +64,37 @@ describe 'BetaProgramHandler', ->
 					expect(err).to.not.equal null
 					expect(err).to.be.instanceof Error
 					done()
+
+	describe "optOut", ->
+
+		beforeEach ->
+			@user.betaProgram = true
+			@call = (callback) =>
+				@handler.optOut @user_id, callback
+
+		it "should set betaProgram = true on user object", (done) ->
+			@call (err) =>
+				@user.betaProgram.should.equal false
+				done()
+
+		it "should call user.save", (done) ->
+			@call (err) =>
+				@user.save.callCount.should.equal 1
+				done()
+
+		it "should not produce an error", (done) ->
+			@call (err) =>
+				expect(err).to.equal null
+				expect(err).to.not.be.instanceof Error
+				done()
+
+		describe "when user.save produces an error", ->
+
+			beforeEach ->
+				@user.save.callsArgWith(0, new Error('woops'))
+
+			it "should produce an error", (done) ->
+				@call (err) =>
+					expect(err).to.not.equal null
+					expect(err).to.be.instanceof Error
+					done()